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Mantle

v0.2.0 · by Madi Zhanbyrtayev · added 3 November 2026

A dark and light theme for Zed based on ngrok's Mantle design system. Features the full Mantle color palette with syntax highlighting matched to Mantle's Prism.js code block tokens.

Themes

How to install

With Forge Super installed, the button above opens the app on this extension, where you press Install. Nothing is installed until you do.

You can also open the Extensions panel in the app and search for Mantle. The extension's id is mantle-theme.

Don't have Forge Super yet? Download it here.

README

From the extension's repository, written by its authors and not by Mentenaz. See the source.

Mantle Theme for Zed

A dark and light theme for Zed based on ngrok's Mantle design system. Features the full Mantle color palette with syntax highlighting matched to Mantle's Prism.js code block tokens.

Screenshots

Dark

TypeScript in Mantle Dark

Rust in Mantle Dark

Light

TypeScript in Mantle Light

Git diff in Mantle Light

Rust in Mantle Light

Installation

  1. Open Zed
  2. Go to Extensions (cmd+shift+x)
  3. Search for "Mantle"
  4. Click Install

Variants

  • Mantle Dark — deep neutral backgrounds with vibrant syntax colors
  • Mantle Light — clean white surfaces with rich, readable tones

Color Palette

RoleDarkLight
Background#121212#fafafa
Surface#171717#ffffff
Accent#699afc#2e54eb
Strings#05df72#00a63e
Keywords#699afc#2e54eb
Constants#7c86ff#4f39f6
Variables#fdc700#d08700
Comments#737373#737373

License

MIT